Air treatment device



FIG. 1 is a front perspective top view of the air treatment device;

FIG. 2 is a front side elevational view thereof;

FIG. 3 is a back side elevational view thereof;

FIG. 4 is a further side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a bottom perspective view thereof.

CLAIM The ornamental design for an air treatment device, as shown anddescribed.